quacked

英 [kwækt]

美 [kwækt]

v.  (鸭子)呱呱叫，嘎嘎叫
quack的过去分词和过去式

柯林斯词典

• N-COUNT 庸医；江湖郎中；冒牌医生
  If you call someone aquackor aquack doctor, you mean that they claim to be skilled in medicine but are not.
  1. I went everywhere for treatment, tried all sorts of quacks.
     我四处求医，看过了各种各样的江湖郎中。
• ADJ 江湖医术;骗人的医术
  Quack remediesorquack curesare medical treatments that you think are unlikely to work because they are not scientific.
  1. Why do intelligent people find quack remedies so appealing?
     为什么聪明人会被江湖医术所吸引？
• VERB (鸭子)发出嘎嘎声
  When a duckquacks, it makes the noise that ducks typically make.
  1. There were ducks quacking on the lawn.
     草地上有几只鸭子在嘎嘎叫。
  2. Quackis also a noun.
     
  3. Suddenly he heard a quack.
     他突然听见一声嘎嘎的叫声。